1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
input suanpan
setup_abacus(N=13,NBL=5,NBU=2,bead="suanpan",units=0);
% initial value of a suanpan
beginfig(1);
rod_numbers:=false;
reset_abacus;
draw_abacus;
endfig;
setup_abacus(N=13,NBL=4,NBU=1,bead="soroban",units=1);
% initial value of a soroban
beginfig(2);
rod_numbers:=false;
reset_abacus;
draw_abacus;
endfig;
setup_abacus(N=13,NBL=5,NBU=2,bead="suanpan",units=0);
beginfig(3);
rod_numbers:=true;
reset_abacus;
valL[1]:=2;
valL[3]:=5;
valU[2]:=1;
valU[4]:=2;
draw_abacus;
endfig;
beginfig(4);
reset_abacus;
set_abacus_val("10552");
draw_abacus;
endfig;
beginfig(10);
reset_abacus;
valL[1]:=2;
valL[3]:=5;
valU[2]:=1;
valU[4]:=2;
draw_abacus;
endfig;
beginfig(20);
reset_abacus;
valL[1]:=3;
valL[3]:=5;
valU[2]:=1;
valU[4]:=2;
draw_abacus;
endfig;
% soroban?
beginfig(30);
setup_abacus(N=13,NBL=4,NBU=1,bead="soroban",units=1);
set_abacus_val("651324");
set_abacus_gray(deck="lower",below="000011",
above="000010");
set_abacus_gray(deck="upper",below="000001",
above="000010");
draw_abacus;
mark_abacus(i=1,j=5)(btex 1 etex);
mark_abacus(i=2,j=2)(btex 2 etex);
mark_abacus(i=2,j=3)(btex 3 etex);
endfig;
%show_val;
setup_abacus(N=13,NBL=4,NBU=1,bead="soroban",units=1);
set_abacus_val("651324");
reset_abacus_gray;
add_val(v="82363456",iv=100,fig=true);
%message "**********************************";
%show_val;
setup_abacus(N=13,NBL=5,NBU=2,bead="suanpan",units=0);
% detailing one of the addition cases
beginfig(200);
reset_abacus;
reset_abacus_gray;
set_abacus_val("82951324");
draw_abacus;
endfig;
beginfig(201);
set_abacus_val("82951324");
add_val(v="60000",iv=100,fig=false);
draw_abacus;
endfig;
%-------------------------------------------
beginfig(202);
reset_abacus;
reset_abacus_gray;
set_abacus_val("82951324");
set_abacus_gray(deck="lower",below="1010000",
above="0400000");
set_abacus_gray(deck="upper",below="0110000",
above="0000000");
draw_abacus;
endfig;
beginfig(203);
reset_abacus_gray;
add_val(v="60000",iv=100,fig=false);
set_abacus_gray(deck="lower",below="0400000",
above="1010000");
set_abacus_gray(deck="upper",below="0000000",
above="0110000");
draw_abacus;
mark_abacus(i=5,j=5)(btex 1 etex);
endfig;
% the following two commands enable a base-8 abacus
vbu:=4; % value of a bead in the upper deck
setup_abacus(N=13,NBL=3,NBU=1,bead="suanpan",units=0);
beginfig(300);
reset_abacus;
reset_abacus_gray;
set_abacus_val("3401256");
draw_abacus;
endfig;
beginfig(301);
add_val(v="1234",iv=100,fig=false);
draw_abacus;
endfig;
end
|
